By Michael Shields VIENNA (Reuters) - A business leader's offhand pre-election comment that Austria is "going to the dogs" has galvanized a debate about whether the nation's enviable prosperity will wither away. The remark by Chamber of Commerce head Christoph Leitl held up a mirror to a comfortable and slightly coddled country that sailed through five years of economic crisis with little of the misery that euro zone peers like Greece or Cyprus endured. ...